In 1955, Nan Helder, a speaker specialist from Rotterdam, set out to create his own small sports car, inspired by the sleek, stylish designs of Italian automobiles but at a fraction of the cost. Unable to afford one, Helder decided to build it himself, using a 1938 DKW F7 as the foundation. He stripped the vehicle down to its two-cylinder engine and central beam, leaving just the essential components. With the help of coachbuilder Jan Bouwhuis…